__cast6_encrypt
ECB_BLOCK(1, __cast6_encrypt);
CBC_ENC_BLOCK(__cast6_encrypt);
EXPORT_SYMBOL_GPL(__cast6_encrypt);
__cast6_encrypt(crypto_tfm_ctx(tfm), outbuf, inbuf);
void __cast6_encrypt(const void *ctx, u8 *dst, const u8 *src);